From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3507C00454 for ; Thu, 12 Dec 2019 16:02:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F0382173E for ; Thu, 12 Dec 2019 16:02:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="Sj0Wn+YL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729798AbfLLQC1 (ORCPT ); Thu, 12 Dec 2019 11:02:27 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:46576 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729247AbfLLQCZ (ORCPT ); Thu, 12 Dec 2019 11:02:25 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xBCG0o5u121018; Thu, 12 Dec 2019 16:02:19 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2019-08-05; bh=f7AVG1lyL0yNfd+//JV/XgNkQxufThH6oQbBgh5a/Ww=; b=Sj0Wn+YL4klICcznGm6I71xp21V+X5XUBe6wB6k6sOlBPMO9KyhfBYA08sxyElTN8AGb g//51JVWibxwezuxAndAOvGoqx0Amnr4EKxGsiPL5GWEPfcGeC3iBrfCI69dRJr/AIpv dvazGiJxCvLSViJ8cQAyF4yPhVkx+nxCQna2x2Glsg/ieS3bMVesGfzq/71PoU5jDTyv /SMvldgrHrc7Fnvk1ihMdpgfbOCK/GuKQP4xzp17iWYvirVOm6QAfWt20qMdYjwYIh/i al+KeiXzEx37QzYyPpUcRZYgWeX2WfMc7fzlaxDzCYNfPHMIa8LiFWMatkEbPIjjxx8N Dg== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2120.oracle.com with ESMTP id 2wr4qruvmd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 12 Dec 2019 16:02:18 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xBCFsKHv101098; Thu, 12 Dec 2019 16:00:18 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 2wums9kqwk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 12 Dec 2019 16:00:17 +0000 Received: from abhmp0004.oracle.com (abhmp0004.oracle.com [141.146.116.10]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id xBCG0GdA008664; Thu, 12 Dec 2019 16:00:16 GMT Received: from char.us.oracle.com (/10.152.32.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 12 Dec 2019 08:00:16 -0800 Received: by char.us.oracle.com (Postfix, from userid 1000) id B081A6A0119; Thu, 12 Dec 2019 11:03:45 -0500 (EST) Date: Thu, 12 Dec 2019 11:03:45 -0500 From: Konrad Rzeszutek Wilk To: Yang Weijiang Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, sean.j.christopherson@intel.com, jmattson@google.com, yu.c.zhang@linux.intel.com, yu-cheng.yu@intel.com Subject: Re: [PATCH v8 0/7] Introduce support for guest CET feature Message-ID: <20191212160345.GA13420@char.us.oracle.com> References: <20191101085222.27997-1-weijiang.yang@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191101085222.27997-1-weijiang.yang@intel.com> User-Agent: Mutt/1.9.1 (2017-09-22) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9469 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-1912120124 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9469 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-1912120125 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 01, 2019 at 04:52:15PM +0800, Yang Weijiang wrote: > Control-flow Enforcement Technology (CET) provides protection against > Return/Jump-Oriented Programming (ROP/JOP) attack. It includes two > sub-features: Shadow Stack (SHSTK) and Indirect Branch Tracking (IBT). > > KVM change is required to support guest CET feature. > This patch serial implemented CET related CPUID/XSAVES enumeration, MSRs > and vmentry/vmexit configuration etc.so that guest kernel can setup CET > runtime infrastructure based on them. Some CET MSRs and related feature > flags used reference the definitions in kernel patchset. > > CET kernel patches is here: > https://lkml.org/lkml/2019/8/13/1110 > https://lkml.org/lkml/2019/8/13/1109 Is there a git tree with all of them against v5.5-rc1 (so all three series)? I tried your github tree: https://github.com/yyu168/linux_cet.git #cet but sadly that does not apply against 5.5-rc1 :-( Thanks!